This is a filter holder adapter that only works with the Leica 18mm f/3.8 Super-Elmar M. Key features include:
- 77mm Filter Adapter. Enables the use of 77mm filters on the Leica 18mm f/3.8 Super-Elmar M.
- Focus Cutouts. The adapter itself has cutouts to allow rangefinder focusing during use.
- Please Note. This is just the adapter ring. It does not include an actual 77mm filter. Only works with the Leica 18mm f/3.8 Super-Elmar M.